/*
* Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Listen connect screen id key changes in central repository.
*
*/

#ifndef MPMCSIDWATCHER_H
#define MPMCSIDWATCHER_H

//  INCLUDES
#include <e32base.h>

class CRepository;

// Stop after this many consecutive central repository errors.
const TInt KMpmCsIdWatcherCenRepErrorThreshold = 80;

/**
 *  Class for accessing central repository
 *  Follows KMpmConnectScreenId key in central repository.
 *  @since 5.1
 */
class CMpmCsIdWatcher : public CActive
    {

public:

    static CMpmCsIdWatcher* NewL();

    /**
     * Destructor.
     */
    virtual ~CMpmCsIdWatcher();

    /**
     * Call this when you want to start listen event.
     * @since 5.1
     */
    void StartL();
    
    /**
     * Returns connect screen id.
     * @since 5.1
	 * @return Connect screen id
     */
    TUint32 ConnectScreenId() const;
    
protected: // from base class CActive

    /**
     * Active object's RunL.
     */
    void RunL();

    /**
     * Handles a leave occurring in RunL.
     * @param aError Leave code of RunL method.
     * @return KErrNone
     */
    TInt RunError( TInt aError );

    /**
     * Active object's DoCancel.
     */
    void DoCancel();

private:

    CMpmCsIdWatcher();

    void ConstructL();
    
    /**
     * Request for notifications.
     */
    TInt RequestNotifications();
        
    /**
     * Get Connect screen ID from repository.
     */
    TInt GetConnectScreenId();

private: // data

    /**
     * Id of the connect screen process
     */
    TInt iConnectScreenId;

    /**
     * Central repository handle
     * Own.
     */
    CRepository* iRepository;

    /**
     * Set when user connection is enabled
     */
    TBool iUserConnectionSupported;

    /**
     * Error counter.
     */
    TUint iErrorCounter;
    };

#endif // MPMCSIDWATCHER_H